Anti-corrosion and anti-dust device for hydraulic oil cylinder of rotary drilling rig

Abstract

The utility model discloses a rotary drilling rig hydraulic oil cylinder anti-corrosion and anti-dust device which comprises an oil cylinder body, a fixed block is fixedly installed on the front face of the oil cylinder body, an output rod is arranged in the oil cylinder body and the fixed block, a movable block is fixedly installed on the front face of the output rod, and a movable plate is fixedly installed on the front face of the movable block. A protective assembly is arranged between the fixed block and the movable block and comprises a protective cover, the protective cover is connected between the fixed block and the movable block in a sleeved mode, and the output rod is located on the inner side of the protective cover. According to the anti-corrosion and anti-dust device for the hydraulic oil cylinder of the rotary drilling rig, the fixing hoops are arranged on the two sides of the protective cover in a sleeving mode and fixed through bolts, the output rod is protected through the protective cover after fixing is completed, the telescopic protective cover does not affect movement of the output rod, and therefore the oil cylinder has better anti-dust and anti-corrosion functions; especially under the condition of seaside operation or long-time stagnation, the effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary drilling rigs, in particular to an anti-corrosion and dust-proof device for a hydraulic oil cylinder of a rotary drilling rig. Background Art

[0002] A rotary drilling rig is a piece of machinery used in foundation engineering construction. It primarily uses a power head to drive the drill rod and drill bit, which then cuts soil or rock. During drilling, the drill rod transmits torque to the drill bit, enabling it to break up the ground.

[0003] When a rotary drilling rig is stationary or working at the seaside for a long time, the oil cylinder will suffer from severe corrosion, causing oil leakage. Repeated repairs will not only take a lot of time and cost, but will also shorten its service life.

[0004] To this end, the utility model provides a rotary drilling rig hydraulic cylinder anti-corrosion and dustproof device to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an anti-corrosion and dust-proof device for a hydraulic cylinder of a rotary drilling rig, which solves the above-mentioned problems.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a rotary drilling rig hydraulic cylinder anti-corrosion and dust-proof device includes a cylinder body, a fixed block is fixedly installed on the front of the cylinder body, an output rod is provided inside the cylinder body and the fixed block, a movable block is fixedly installed on the front of the output rod, a movable plate is fixedly installed on the front of the movable block, a protective assembly is provided between the fixed block and the movable block, the protective assembly includes a protective cover, the protective cover is sleeved between the fixed block and the movable block, and the output rod is located on the inside of the protective cover.

[0007] Preferably, the outer sides of the left and right ends of the protective cover are sleeved with fixing hoops, and the outer sides between the upper and lower fixing hoops are fixedly installed with bolts.

[0008] Preferably, the fixing hoops are respectively located at both ends of the protective cover and outside the fixed block and the movable block.

[0009] Preferably, the protective cover is a cylindrical retractable cover made of canvas.

[0010] Preferably, the replacement component includes a fixing plate, a fixing hole is provided inside the fixing plate, a clamping plate is fixedly installed on the left side of the cylinder body, a clamping slot is provided inside the fixing plate, and the clamping plate is inserted into the corresponding clamping slot.

[0011] Preferably: a hexagon socket bolt is inserted between the fixing plate and the clamping plate, a countersunk hole and a hexagonal slot are provided inside the fixing plate, the bolt head of the hexagon socket bolt is inserted inside the countersunk hole, and the nut of the hexagon socket bolt is inserted inside the hexagonal slot.

[0012] Beneficial effects

[0013] The utility model provides a corrosion and dust prevention device for the hydraulic cylinder of a rotary drilling rig. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The anti-corrosion and dustproof device of the rotary drilling rig hydraulic cylinder is fixed on both sides of the protective cover through a fixing hoop and fixed by bolts. After the fixing is completed, the output rod is protected by the protective cover, and the retractable protective cover does not affect the movement of the output rod, so that the cylinder has better dust and corrosion protection functions, especially in the case of seaside operation or long-term stagnation, the effect is better.

[0015] 2. The anti-corrosion and dust-proof device of the hydraulic cylinder of the rotary drilling rig is achieved by removing the hexagonal bolts. After removal, the fixing plate with fixing holes of different sizes is installed through the clamping plate and the clamping slot. After installation, it is fixed with the hexagonal bolts. The fixing holes of interchangeable sizes allow the cylinder body to be installed in different positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the implementation scheme of the present invention or the technical scheme in the prior art, the drawings required for use in the implementation scheme or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation schemes of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0017] Figure 1 This is a three-dimensional diagram of the external structure of the utility model;

[0018] Figure 2 This is a three-dimensional diagram of the split structure of the utility model;

[0019] Figure 3 This is a partial structural exploded perspective view of the present invention;

[0020] Figure 4 It is a cross-sectional view of the internal structure of the utility model;

[0021] Figure 5 This is a three-dimensional diagram of the disassembled structure of the replacement component of the utility model;

[0022] Figure 6 It is a side structural stereogram of the replacement component of the present invention.

[0023] In the figure: 1. Cylinder body; 2. Protective assembly; 21. Protective cover; 22. Fixing hoop; 23. Bolt; 3. Replacement assembly; 31. Fixing plate; 32. Fixing hole; 33. Slot; 34. Clamping plate; 35. Hexagon socket bolt; 36. Countersunk hole; 37. Hexagonal slot; 4. Output rod; 5. Fixed block; 6. Movable block; 7. Movable ring; 8. Movable plate. DETAILED DESCRIPTION

[0024] It should be noted that in the description of the embodiments of the present application, the terms "front, rear", "left, right", "up, down", etc. indicating directions or positional relationships are all based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present application. The terms "install", "connect", and "connected" should be understood in a broad sense. For example, they can be fixedly connected, detachably connected, or integrally connected; they can be directly connected, or indirectly connected through an intermediate medium, or they can be internal connections between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0025] The present application will be further described in detail below through the accompanying drawings and examples.

[0026] Reference Figures 1 to 6 The embodiment of the present application provides an anti-corrosion and dust-proof device for the hydraulic cylinder of a rotary drilling rig, including a cylinder body 1, a fixed block 5 is fixedly installed on the front of the cylinder body 1, an output rod 4 is arranged inside the cylinder body 1 and the fixed block 5, a movable block 6 is fixedly installed on the front of the output rod 4, a movable plate 8 is fixedly installed on the front of the movable block 6, a protective component 2 is arranged between the fixed block 5 and the movable block 6, the protective component 2 includes a protective cover 21, the protective cover 21 is sleeved between the fixed block 5 and the movable block 6, and the output rod 4 is located on the inner side of the protective cover 21.

[0027] The outer sides of the left and right ends of the protective cover 21 are each fitted with a fixing hoop 22. Bolts 23 are fixedly mounted between the upper and lower fixing hoops 22. The fixing hoops 22 are located at each end of the protective cover 21 and outside the fixed block 5 and the movable block 6. The protective cover 21 is a cylindrical, retractable cover made of canvas.

[0028] In this embodiment, the cylinder body 1 and the output rod 4 and other devices are installed on the rotary drilling rig through the fixed ring 3 and the movable ring 8 on both sides, and are used to drive the lever arm of the rotary drilling rig. When protecting the cylinder output rod 4, the protective cover 21 is sleeved between the fixed block 5 and the movable block 6, and during installation, it is sleeved on both sides of the protective cover 21 through the fixing hoop 22 and fixed by bolts 23. After the fixing is completed, the output rod 4 is protected by the protective cover 21, and the retractable protective cover 21 does not affect the movement of the output rod 4, so that the cylinder has better dust and corrosion protection functions, especially in the case of seaside operation or long-term stagnation, the effect is better.

[0029] Reference Figures 1 to 6 In one aspect of this embodiment, the replacement component 3 includes a fixing plate 31, a fixing hole 32 is opened inside the fixing plate 31, a clamping plate 34 is fixedly installed on the left side of the cylinder body 1, a clamping slot 33 is opened inside the fixing plate 31, and the clamping plate 34 is inserted into the corresponding clamping slot 33.

[0030] A hexagon socket bolt 35 is inserted between the fixing plate 31 and the clamping plate 34. A countersunk hole 36 and a hexagonal slot 37 are provided inside the fixing plate 31. The bolt head of the hexagon socket bolt 35 is inserted into the countersunk hole 36, and the nut of the hexagon socket bolt 35 is inserted into the hexagonal slot 37.

[0031] In this embodiment, the cylinder body 1 is installed through the fixing plate 31 and the fixing hole 32 during installation. During installation, installation columns of different sizes correspond to fixing holes 32 of different sizes. When it needs to be installed in different positions, the hexagon socket bolts 35 are removed, and after removal, the fixing plate 31 with fixing holes 32 of different sizes is installed through the clamping plate 34 and the clamping groove 33. After installation, it is fixed with the hexagon socket bolts 35. The fixing holes 32 of interchangeable sizes can enable the cylinder body 1 to be installed in different positions.

[0032] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0033] Working principle: The cylinder body 1 and the output rod 4 and other devices are installed on the rotary drilling rig through the fixed rings 3 and the movable ring 8 on both sides, which are used to drive the lever arm of the rotary drilling rig. When protecting the cylinder output rod 4, the protective cover 21 is sleeved between the fixed block 5 and the movable block 6, and during installation, it is sleeved on both sides of the protective cover 21 through the fixing hoop 22 and fixed by bolts 23. After the fixing is completed, the output rod 4 is protected by the protective cover 21, and the retractable protective cover 21 does not affect the movement of the output rod 4, so that the cylinder has better dust and corrosion resistance, especially in the case of seaside operations or long-term stagnation, the effect is better; by removing the hexagon socket bolts 35, the fixing plate 31 with fixing holes 32 of different sizes is installed through the clamping plate 34 and the clamping slot 33 after removal, and fixed by the hexagon socket bolts 35 after installation. The fixing holes 32 of interchangeable sizes make the cylinder body 1 able to be installed in different positions.

[0034] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0035] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A rotary drilling rig hydraulic cylinder anti-corrosion and dust-proof device, comprising a cylinder body (1), characterized in that: A fixed block (5) is fixedly mounted on the front of the oil cylinder body (1); an output rod (4) is provided inside the oil cylinder body (1) and the fixed block (5); a movable block (6) is fixedly mounted on the front of the output rod (4); a movable plate (8) is fixedly mounted on the front of the movable block (6); a protective assembly (2) is provided between the fixed block (5) and the movable block (6); the protective assembly (2) includes a protective cover (21); the protective cover (21) is sleeved between the fixed block (5) and the movable block (6); the output rod (4) is located inside the protective cover (21); and a replacement assembly (3) is provided on the left side of the oil cylinder body (1) and the right side of the movable plate (8).

2. The anti-corrosion and dust-proof device for the hydraulic cylinder of a rotary drilling rig according to claim 1, characterized in that: The outer sides of the left and right ends of the protective cover (21) are sleeved with fixing hoops (22), and the outer sides between the upper and lower fixing hoops (22) are fixedly installed with bolts (23).

3. The anti-corrosion and dust-proof device for the hydraulic cylinder of a rotary drilling rig according to claim 2, characterized in that: The fixing hoops (22) are respectively located at both ends of the protective cover (21) and outside the fixed block (5) and the movable block (6).

4. The anti-corrosion and dust-proof device for the hydraulic cylinder of a rotary drilling rig according to claim 1, characterized in that: The protective cover (21) is a cylindrical retractable cover made of canvas.

5. The anti-corrosion and dust-proof device for the hydraulic cylinder of a rotary drilling rig according to claim 1, characterized in that: The replacement assembly (3) comprises a fixing plate (31), a fixing hole (32) is provided inside the fixing plate (31), a clamping plate (34) is fixedly mounted on the left side of the oil cylinder body (1), a clamping slot (33) is provided inside the fixing plate (31), and the clamping plate (34) is inserted into the corresponding clamping slot (33).

6. The anti-corrosion and dust-proof device for the hydraulic cylinder of a rotary drilling rig according to claim 5, characterized in that: A hexagon socket bolt (35) is inserted between the fixing plate (31) and the clamping plate (34); a countersunk hole (36) and a hexagonal slot (37) are provided inside the fixing plate (31); the bolt head of the hexagon socket bolt (35) is inserted inside the countersunk hole (36), and the nut of the hexagon socket bolt (35) is inserted inside the hexagonal slot (37).

Images